Science

Yes, you can do it. Start preparing for state wide and national wide entrance exams of Ph.D. Like UG NET, Symbiosis exam, JNU exam, etc. If you get good score they will provide you seat in good universities or IIT or NIT for doing Ph.D.

Yes can get admission. But I think so it is somewhat difficult to do correspondence course in aerospace. you better to consult universities which provides you admission in aerospace department. Because most of the deemed universities provides these type of courses. And mostly Aerospace academy's pro

Here is the list of the college which provide distance learning in M.Sc:
https://www.shiksha.com/science/colleges/distance-correspondence-m-sc-colleges-mumbai-all

Visit the link:
https://www.shiksha.com/it-software/colleges/m-sc-colleges-india

Here are the complete details of the ICAR EXAM:
https://www.shiksha.com/science/icar-aieea-exam
Kindly follow the link to get all the information.

Here are the complete admission procedure of this college:
https://www.shiksha.com/college/academy-of-higher-education-borivali-east-mumbai-47405/admission

To get B.Com (Hons), you need mathematics as an important main subject in your best four.

Hello
You should consult some of the universities which you want to join. And mostly private colleges and deemed universities will provide this type of courses, you have to take admission from them.

Dear Mallika,
The basic educational requirement for getting admission to B.Sc. Home Sciences offered by maximum institutes is 10+2 from any streams. However, some institutes may also require Science subjects in intermediate.

Just go through this link and fill out the required details:
https://www.shiksha.com/college-predictor